Phylogeny and classification of Marantaceae
Phylogeny and classification of Marantaceae
复制标题
马兰科的系统发育和分类
DOI：
10.1111/j.1095-8339.2001.tb01097.x
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发表时间：
2001
影响因子：
2.4
通讯作者：
M. Chase
中科院分区：
文献类型：
--
作者：
L. Andersson;M. Chase
摘要 根据 rps 16 内含子（质体 DNA）的核苷酸序列变异和形态特征来估计马兰科植物的亲缘关系。 59 种（21 属）形成内群，其他姜目 12 种（12 属）形成外群。没有人支持将马兰科（Marantaceae）传统细分为三卵族和单卵族或先前提出的非正式群体。所谓的 Donax 群形成了一个并系群，是马兰科 (Marantaceae) 中的基部。塔利亚 (Thalia) 是该级别的远端分支，但其位置在折刀分析中不受支持。所谓的 Calathea 群在所有最矮的树中都是单系的，但不支持超过 50% 的折刀。 Calathea 属似乎是并系群。 Maranta 和 Phrynium 类群显然是多系的。 Maranta、Koernickanthe 和 Myrosma 组的属都是新热带属，形成一个得到强有力支持的单系群。该类群的姐妹是古热带属Halopegia。 Koernickanthe 嵌套在 Maranta 内，因为该属传统上受到限制。非洲 Ataenidia 属和 Marantochloa 属形成了一个得到大力支持的分支，其中 Ataenidia 是 Marantochloa 的姐妹群。根据系统发育学，得出的结论是，尽管非洲的物种数量少得多，但非洲最有可能是马兰科植物的祖先地区。
Abstract Relationships of Marantaceae were estimated from nucleotide sequence variation in the rps 16 intron (plastid DNA) and from morphological characters. Fifty-nine species (21 genera) formed the ingroup, and 12 species (12 genera) of other Zingiberales formed the outgroup. There is no support for the traditional subdivision of Marantaceae into a triovulate and a uniovulate tribe or the informal groups previously proposed. The so-called Donax group forms a paraphyletic grade that is basal within Marantaceae. Thalia appears as the distal branch of this grade, but its position is not supported in jackknife analysis. The so-called Calathea group is monophyletic in all shortest trees but not supported with greater than 50% jackknife. The genus Calathea appears to be paraphyletic. The Maranta andPhrynium groups are clearly polyphyletic. Maranta, Koernickanthe, and genera of the Myrosma group, all neotropical, form a strongly supported monophyletic group. The sister of this group is the palaeotropical genusHalopegia . Koernickanthe is nested within Maranta, as this genus is traditionally circumscribed. The African genera Ataenidia and Marantochloa form a strongly supported clade in which Ataenidia is the sister group to Marantochloa. Based on phylogeny it is concluded that Africa, in spite of being much poorer in species, is the most likely ancestral area of Marantaceae.